# Rexfleet vs OptiUnit

The clearest difference is update cadence: OptiUnit at every 3 months against Rexfleet's every 67 months. OptiUnit also leads on iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rexfleet ships an update every 67 months, OptiUnit every 3 months. The most recent releases landed on May 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Rexfleet | OptiUnit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 67 months | **Every 3 months** |
| Size | 149 MB | 61 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BUILEE](https://appshunter.io/developer/1522795001) | [OptiUnit ApS](https://appshunter.io/developer/1529437877) |

## What reviewers say

### Rexfleet

[App page](https://appshunter.io/ios/app/rexfleet/id1522794999)

**Features:** macOS Compatibility

**In-app purchases:** none


### OptiUnit

[App page](https://appshunter.io/ios/app/optiunit/id1529437875)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rexfleet free?

Rexfleet is free to download, with no in-app purchases.

### Is OptiUnit free?

OptiUnit is free to download, with no in-app purchases.

### Which is updated more often, Rexfleet or OptiUnit?

Rexfleet ships an update every 67 months, and OptiUnit every 3 months. Most recently, Rexfleet was updated on May 16, 2026 and OptiUnit on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*